Home / 8,644-12,342

Finding the Third Proportional to 8,644 and 12,342

Calculator

Solution

The third proportional to 8,644 and 12,342 is: 17,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644 : 12,342 = 12,342 : x
  2. Step 2: Convert to fraction form
    8,644/12,342 = 12,342/x
  3. Step 3: Cross multiply
    8,644x = 12,342 × 12,342
  4. Step 4: Simplify right side
    8,644x = 152,324,964
  5. Step 5: Solve for x
    x = 152,324,964/8,644
  6. Step 6: Final answer
    x = 17,622.05

Related Problems

Find third proportional to 4,322 and 6,171
Half scale
Find third proportional to 17,288 and 24,684
Double scale
Find third proportional to 8,646 and 12,345
Similar ratio
Find third proportional to 12,966 and 18,513
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.